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grigory [225]
2 years ago
13

Which of the following statements are true about the function y = 3x?

Mathematics
1 answer:
Tju [1.3M]2 years ago
6 0

The following statement are true about the given function

Statements i,ii, and iv

Given Data

We have the following function to analyse

y = 3x

The following statement are true/false about the given function

  • The function is a direct variation: this is true because an increase in the x value will increase the y value
  • The function goes through the origin:  for x = 0, y = 0
  • The constant of variation is 1/3: this statement is false, the constant of the variation is 3
  • y is 6, when x is 2: this statement is true, when we plug x = 3, the corresponding value for y is 6

Learn more about variation here:

brainly.com/question/6499629

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sergiy2304 [10]

Answer:

This would bring you to $160.00. This is because you initially had $20.00, because of the $13 and $7. Then, your family gave you a total of $140.00, and 140 + 20 = 160.

Step-by-step explanation:

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3 years ago
Pediatricians work an average of 48 h per week. The standard deviation is 12 hours. What percentage of pediatricians work more t
cricket20 [7]

Answer: 2.28 %

Step-by-step explanation:

Given : Mean : \mu=\ 48

Standard deviation :\sigma= 12

The formula to calculate the z-score :-

z=\dfrac{x-\mu}{\sigma}

For x = 72

z=\dfrac{72-48}{12}=2

The p-value = P(2

1-0.9772498=0.0227502\approx0.0228

In percent, 0.0228\times100=2.28\%

Hence, the  percentage of pediatricians work more than 72 h per​ week = 2.28 %

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3 years ago
Heron’s formula: Area = square root 5(5-a)(5-b)(5-c) What is the area of triangle DFG? Round to the nearest whole square unit. 2
timurjin [86]
To do this problem, you will need to know the side lengths of the triangle. If you have those, just plug them in for a, b, and c and evaluate the square root.

Here is an example. If the sides are 3, 4, 5.
It would be:

A= \sqrt{6(6-3)(6-4)(6-5))}

The 6 is in the formula because it is the semi-perimeter (half).
3 0
3 years ago
Read 2 more answers
What is the greatest possible product of a 2 digit number and a 1 digit number?
ss7ja [257]
99 x 9 = 891 I think
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Answer:

A.)

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Step-by-step explanation:

mark me brainliest!!

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